an electron travel inside a television screen(CRT) at a speed of 7.20*106 m*s-1 the magnetic field in CRT acts on the electron by induction of 83.0mT.
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an electron travel inside a television screen(CRT) at a speed of 7.20*106 m*s-1 the magnetic field in CRT acts on the electron by induction of 83.0mT.
- figure out the largest and the smallest value of magnitude of the force exerted by the magnetic field to the electron
- what size of angle of the electron velocity vector and the magnetic induction vector is, when the electron acceleration is equal to 4.9*1014 m*s-1 ?
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- Part 1) Select the direction in which the particles are deflected upon entry into the magnetic fields shown: В В x B V +y +y +y +x +x X+ b) а) +z c) +z Figure. Particle moving horizontally from left to right in a magnetic field: a) vertical pointing down, b) horizontal from right to left, and c) going into the page. The axes are pointing: +x to the right, +y up, +z out of the page. a) If the particle is a/an electron, it experiences (No answer given) + deflection. b) If the particle is a/an positron, it experiences (No answer given) + deflection. c) If the particle is a/an electron, it experiences (No answer given) + deflection.3. An electron is placed with an initial velocity of 3.00 m/s east in a region of space which has either an electric or magnetic field present. For each part of this question, find the force on the electron (magnitude and direction) and describe what the effect will be on the electron’s trajectory. Will the trajectory be linear, circular, helical, or something else? Will the particle speed up, slow down, or have constant speed? Make sure to explain all answers with computations or written explanations. a. The region has an electric field of 42.0 N/C east and no magnetic field. Force: Shape of trajectory: How the speed changes: b. The region has no electric field and a magnetic field of 870 µT east. Force: Shape of trajectory: How the speed changes: c. The region has no electric field and a magnetic field of 119 µT north. Force: Shape of trajectory: How the speed changes:3. What is the angle between a wire carrying 7.50 A and the 1.20-T field it is in, if 50.0 cm of the wire experiences a magnetic force of 2.64 N? ° What is the force on the wire if it is rotated to make a 90° angle with the field? N
- A moving, positively charge particle enters a region that contains a uniform magnetic field as shown in the diagram below. What will be the resultant path of the particle? B. Vy y Vz = 0 Vx X a. Helical about the y-axis b. Helical about the z-axis C. Linear in the direction of the total velocity vector d. Circular in the yz-plane e. Circular in the xy plane6. Refer to the diagram For the moment please disregard the moving charge off to the right. The diagram above shows segments of two long straight wires, carrying currents I_1 = 3.97 A and I_2 = 2.88 A respectively. The distance between the wires is 1.99 cm. What is the force on a 5.57-cm segment of wire #2 due to the magnetic field from wire #1? 5.12E-06 N 7.68E-06 N 1.09E-05 N 6.40E-06 NMass spectrometers like the one in the figure are ingenious devices that use electric and magnetic fields to separate and/or identify ions based on their specific charge-to-mass ratio, q/m. Steering Region. The magnetic force exerted on the ions is centripetal so move along a circle. The radius of a given ion's circular path is directly proportional to its charge-to-mass ratio. Velocity Selector. In order to reach the steering region, the ions have to pass through the crossed E and B fields between the plates of the velocity selector -- without being deflected. The last bit of the puzzle is the detector. In order for the ions to enter the detector, it must be located one diameter to the right of the point where the ions entered the steering region. Write a symbolic expression for the charge-to-mass ratio of the collected ions in terms of B, E, and r (ONLY) then calculate its numeric value. Don't use v! 어트 || = 240957 STEERING REGION x C/kg •· ● Ion Trajectory Charged Plates + + + You…
- An electron accelerates from rest in a horizontally directed electric field through a potential difference of 87V. The electron leaves the electric field, entering a magnetic field of magnitude 0.4T directed into the page. a.) Calculate the initial speed of the electron upon entering the magnetic field. b.) Calculate the magnitude and direction of the magnetic force on the electron c.) Calculate the radius of the electron's circular path.Let the field be the Earth's magnetic field, at 4 * 10 ^ - 5 T. The electron follows a circular path of radius 4 m. Find the speed of the electron, given that e / m for the electron is 1.759 * 10 ^11 * Ck * g ^ - 1| Scientists in a laboratory onboard a zero-gravity spaceship setup and measure electric and magnetic fields in an experiment chamber. The scientists measure the magnetic field to point in the positive x-direction given by B = B,î. The scientists then measure the net force acting on a charged particle q moving through this chamber. The net force is measured to be F = -F,î + F2j. The particle is moving along the positive z-axis with a velocity given by i = v,k. What are the x and y components of the electric field as measured by the scientists? Express your answers in terms of q, vo, Ba, F1, and F2, as needed.
- Part 2) A proton moving with a speed 3.84 × 10° m/s through a 2.99 T magnetic field experiences a force of magnitude 1.59 x 10-12 N. (Mass of the proton = 1.673 × 10¬27 kg, charge 1.602 × 10-19 C). What is the angle between the proton's velocity and the magnetic field? Part 3) What is the proton's acceleration? a = m/s?29. At an instant in time, an electron has velocity, v = 100i - 300j + 200k km/s while it is in a magnetic field, B = 2i - 3j + 4k T. Find the acceleration of the electron at this instant. Use the vector table below to show any important vectors. Show only numerical results in the table. (m = 9.109 X 10" kg, q = -i.6 X 10'1º C) Vector i kWhich of the following statements are true for magnetic field lines? a) Magnetic field lines point in the direction of the magnetic force acting on a charge. b) Magnetic field lines are close together in regions of space where the magnitude of the magnetic field is weak, and they are farther apart in regions where it is strong. c) Magnetic field lines can never intersect. d) Unlike enlectric field line, magnetic field lines are continuos. e) At every point in space, the magnetic field vector at that point is a tangent to the magnetic field line throught that point.